diff --git a/app/components/admin/budget_phases/form_component.html.erb b/app/components/admin/budget_phases/form_component.html.erb
index 125f2c9e4..78f10c235 100644
--- a/app/components/admin/budget_phases/form_component.html.erb
+++ b/app/components/admin/budget_phases/form_component.html.erb
@@ -1,6 +1,6 @@
 <%= render "shared/globalize_locales", resource: phase %>
 
-<%= translatable_form_for [:admin, phase.budget, phase], html: { class: "budget-phases-form" } do |f| %>
+<%= translatable_form_for [namespace, phase.budget, phase], html: { class: "budget-phases-form" } do |f| %>
 
   <%= render "shared/errors", resource: phase %>
 
diff --git a/app/components/admin/budget_phases/form_component.rb b/app/components/admin/budget_phases/form_component.rb
index 0b890c9f4..49c6cf36c 100644
--- a/app/components/admin/budget_phases/form_component.rb
+++ b/app/components/admin/budget_phases/form_component.rb
@@ -1,6 +1,7 @@
 class Admin::BudgetPhases::FormComponent < ApplicationComponent
   include TranslatableFormHelper
   include GlobalizeHelper
+  include Admin::Namespace
 
   attr_reader :phase
 
diff --git a/app/components/admin/budgets_wizard/creation_timeline_component.rb b/app/components/admin/budgets_wizard/creation_timeline_component.rb
index a4f4ed24f..7fe7ffcf2 100644
--- a/app/components/admin/budgets_wizard/creation_timeline_component.rb
+++ b/app/components/admin/budgets_wizard/creation_timeline_component.rb
@@ -8,6 +8,6 @@ class Admin::BudgetsWizard::CreationTimelineComponent < ApplicationComponent
   private
 
     def steps
-      %w[budget groups headings]
+      %w[budget groups headings phases]
     end
 end
diff --git a/app/components/admin/budgets_wizard/headings/creation_step_component.rb b/app/components/admin/budgets_wizard/headings/creation_step_component.rb
index 8758c6bbc..6c07c6670 100644
--- a/app/components/admin/budgets_wizard/headings/creation_step_component.rb
+++ b/app/components/admin/budgets_wizard/headings/creation_step_component.rb
@@ -16,7 +16,7 @@ class Admin::BudgetsWizard::Headings::CreationStepComponent < ApplicationCompone
     end
 
     def next_step_path
-      admin_budget_path(budget) if next_step_enabled?
+      admin_budgets_wizard_budget_budget_phases_path(budget) if next_step_enabled?
     end
 
     def next_step_enabled?
diff --git a/app/components/admin/budgets_wizard/phases/edit_component.html.erb b/app/components/admin/budgets_wizard/phases/edit_component.html.erb
new file mode 100644
index 000000000..44131384c
--- /dev/null
+++ b/app/components/admin/budgets_wizard/phases/edit_component.html.erb
@@ -0,0 +1,6 @@
+<%= back_link_to admin_budgets_wizard_budget_budget_phases_path(budget) %>
+
+<%= header %>
+
+<%= render Admin::BudgetsWizard::CreationTimelineComponent.new("phases") %>
+<%= render "/admin/budget_phases/form" %>
diff --git a/app/components/admin/budgets_wizard/phases/edit_component.rb b/app/components/admin/budgets_wizard/phases/edit_component.rb
new file mode 100644
index 000000000..68645ed95
--- /dev/null
+++ b/app/components/admin/budgets_wizard/phases/edit_component.rb
@@ -0,0 +1,22 @@
+class Admin::BudgetsWizard::Phases::EditComponent < ApplicationComponent
+  include Header
+  attr_reader :phase
+
+  def initialize(phase)
+    @phase = phase
+  end
+
+  def budget
+    phase.budget
+  end
+
+  def title
+    "#{t("admin.budget_phases.edit.title")} - #{phase.name}"
+  end
+
+  private
+
+    def form_path
+      admin_budgets_wizard_budget_budget_phases_path(budget)
+    end
+end
diff --git a/app/components/admin/budgets_wizard/phases/index_component.html.erb b/app/components/admin/budgets_wizard/phases/index_component.html.erb
new file mode 100644
index 000000000..816dc0d91
--- /dev/null
+++ b/app/components/admin/budgets_wizard/phases/index_component.html.erb
@@ -0,0 +1,12 @@
+<%= back_link_to back_link_path, t("admin.budgets_wizard.phases.back") %>
+
+<%= header %>
+
+<%= render Admin::Budgets::HelpComponent.new("budget_phases") %>
+<%= render Admin::BudgetsWizard::CreationTimelineComponent.new("phases") %>
+
+<%= render Admin::BudgetPhases::PhasesComponent.new(budget) %>
+
+<%= link_to t("admin.budgets_wizard.phases.continue"),
+            admin_budget_path(budget),
+            class: "button success" %>
diff --git a/app/components/admin/budgets_wizard/phases/index_component.rb b/app/components/admin/budgets_wizard/phases/index_component.rb
new file mode 100644
index 000000000..a1b680003
--- /dev/null
+++ b/app/components/admin/budgets_wizard/phases/index_component.rb
@@ -0,0 +1,18 @@
+class Admin::BudgetsWizard::Phases::IndexComponent < ApplicationComponent
+  include Header
+  attr_reader :budget
+
+  def initialize(budget)
+    @budget = budget
+  end
+
+  def title
+    t("admin.budget_phases.index.title", budget: budget.name)
+  end
+
+  private
+
+    def back_link_path
+      admin_budgets_wizard_budget_group_headings_path(budget, budget.groups.first)
+    end
+end
diff --git a/app/controllers/admin/budget_phases_controller.rb b/app/controllers/admin/budget_phases_controller.rb
index 1ff8dcedb..ac2a763e1 100644
--- a/app/controllers/admin/budget_phases_controller.rb
+++ b/app/controllers/admin/budget_phases_controller.rb
@@ -1,28 +1,9 @@
 class Admin::BudgetPhasesController < Admin::BaseController
-  include Translatable
-
-  before_action :load_phase, only: [:edit, :update]
-
-  def edit
-  end
-
-  def update
-    if @phase.update(budget_phase_params)
-      notice = t("flash.actions.save_changes.notice")
-      redirect_to edit_admin_budget_path(@phase.budget), notice: notice
-    else
-      render :edit
-    end
-  end
+  include Admin::BudgetPhasesActions
 
   private
 
-    def load_phase
-      @phase = Budget::Phase.find(params[:id])
-    end
-
-    def budget_phase_params
-      valid_attributes = [:starts_at, :ends_at, :enabled]
-      params.require(:budget_phase).permit(*valid_attributes, translation_params(Budget::Phase))
+    def phases_index
+      edit_admin_budget_path(@phase.budget)
     end
 end
diff --git a/app/controllers/admin/budgets_wizard/phases_controller.rb b/app/controllers/admin/budgets_wizard/phases_controller.rb
new file mode 100644
index 000000000..889b22c4f
--- /dev/null
+++ b/app/controllers/admin/budgets_wizard/phases_controller.rb
@@ -0,0 +1,12 @@
+class Admin::BudgetsWizard::PhasesController < Admin::BaseController
+  include Admin::BudgetPhasesActions
+
+  def index
+  end
+
+  private
+
+    def phases_index
+      admin_budgets_wizard_budget_budget_phases_path(@phase.budget)
+    end
+end
diff --git a/app/controllers/concerns/admin/budget_phases_actions.rb b/app/controllers/concerns/admin/budget_phases_actions.rb
new file mode 100644
index 000000000..80a1af51c
--- /dev/null
+++ b/app/controllers/concerns/admin/budget_phases_actions.rb
@@ -0,0 +1,36 @@
+module Admin::BudgetPhasesActions
+  extend ActiveSupport::Concern
+
+  included do
+    include Translatable
+
+    before_action :load_budget
+    before_action :load_phase, only: [:edit, :update]
+  end
+
+  def edit
+  end
+
+  def update
+    if @phase.update(budget_phase_params)
+      redirect_to phases_index, notice: t("flash.actions.save_changes.notice")
+    else
+      render :edit
+    end
+  end
+
+  private
+
+    def load_budget
+      @budget = Budget.find_by_slug_or_id!(params[:budget_id])
+    end
+
+    def load_phase
+      @phase = @budget.phases.find(params[:id])
+    end
+
+    def budget_phase_params
+      valid_attributes = [:starts_at, :ends_at, :enabled]
+      params.require(:budget_phase).permit(*valid_attributes, translation_params(Budget::Phase))
+    end
+end
diff --git a/app/views/admin/budget_phases/edit.html.erb b/app/views/admin/budget_phases/edit.html.erb
index 452c11f96..27fbdd585 100644
--- a/app/views/admin/budget_phases/edit.html.erb
+++ b/app/views/admin/budget_phases/edit.html.erb
@@ -1,5 +1 @@
-<%= back_link_to edit_admin_budget_path(@phase.budget) %>
-
-<h2><%= t("admin.budgets.edit.title") %> - <%= @phase.name %></h2>
-
-<%= render "/admin/budget_phases/form" %>
+<%= render Admin::BudgetsWizard::Phases::EditComponent.new(@phase) %>
diff --git a/app/views/admin/budgets_wizard/phases/edit.html.erb b/app/views/admin/budgets_wizard/phases/edit.html.erb
new file mode 100644
index 000000000..27fbdd585
--- /dev/null
+++ b/app/views/admin/budgets_wizard/phases/edit.html.erb
@@ -0,0 +1 @@
+<%= render Admin::BudgetsWizard::Phases::EditComponent.new(@phase) %>
diff --git a/app/views/admin/budgets_wizard/phases/index.html.erb b/app/views/admin/budgets_wizard/phases/index.html.erb
new file mode 100644
index 000000000..1fa77a2d1
--- /dev/null
+++ b/app/views/admin/budgets_wizard/phases/index.html.erb
@@ -0,0 +1 @@
+<%= render Admin::BudgetsWizard::Phases::IndexComponent.new(@budget) %>
diff --git a/config/i18n-tasks.yml b/config/i18n-tasks.yml
index 5fee91c88..97bb35653 100644
--- a/config/i18n-tasks.yml
+++ b/config/i18n-tasks.yml
@@ -149,6 +149,7 @@ ignore_unused:
   - "admin.budgets.edit.(administrators|valuators).*"
   - "admin.budget_groups.index.*.help_block"
   - "admin.budget_headings.index.*.help_block"
+  - "admin.budget_phases.index.help_block"
   - "admin.budget_investments.index.filter*"
   - "admin.organizations.index.filter*"
   - "admin.hidden_users.index.filter*"
diff --git a/config/locales/en/admin.yml b/config/locales/en/admin.yml
index 427faae50..c884a88e8 100644
--- a/config/locales/en/admin.yml
+++ b/config/locales/en/admin.yml
@@ -188,6 +188,7 @@ en:
         title: "%{budget} / %{group} headings"
     budget_phases:
       edit:
+        title: "Edit phase"
         description_help_text: This text will appear in the header when the phase is active
         duration: "Phase's duration"
         duration_description: "The period of time this phase will be active."
@@ -196,6 +197,7 @@ en:
         save_changes: Save changes
       index:
         help: "Participatory budgets have different phases. Here you can enable or disable phases and also customize each individual phase."
+        title: "%{budget} phases"
     budget_investments:
       index:
         heading_filter_all: All headings
@@ -296,12 +298,16 @@ en:
         budget: Budget
         groups: Groups
         headings: Headings
+        phases: Phases
       budgets:
         continue: "Continue to groups"
       groups:
         continue: "Continue to headings"
       headings:
         continue: "Continue to phases"
+      phases:
+        back: "Go back to headings"
+        continue: "Finish"
     milestones:
       index:
         table_id: "ID"
diff --git a/config/locales/es/admin.yml b/config/locales/es/admin.yml
index b6b2d06d5..1ea8f48f7 100644
--- a/config/locales/es/admin.yml
+++ b/config/locales/es/admin.yml
@@ -194,8 +194,10 @@ es:
         enabled_help_text: Esta fase será pública en el calendario de fases del presupuesto y estará activa para otros propósitos
         name_help_text: "Este es el título de la fase que los usuarios leerán en el encabezado cuando la fase esté activa."
         save_changes: Guardar cambios
+        title: "Editar fase"
       index:
         help: "Los presupuestos participativos tienen distintas fases. Aquí puedes habilitar o deshabilitar fases y también personalizar cada una de las fases."
+        title: "Fases de %{budget}"
     budget_investments:
       index:
         heading_filter_all: Todas las partidas
@@ -296,12 +298,16 @@ es:
         budget: Presupuesto
         groups: Grupos
         headings: Partidas
+        phases: Fases
       budgets:
         continue: "Continuar a grupos"
       groups:
         continue: "Continuar a partidas"
       headings:
         continue: "Continuar a fases"
+      phases:
+        back: "Volver a partidas"
+        continue: "Finalizar"
     milestones:
       index:
         table_id: "ID"
diff --git a/config/routes/admin.rb b/config/routes/admin.rb
index bb28dfa0f..ea97b859f 100644
--- a/config/routes/admin.rb
+++ b/config/routes/admin.rb
@@ -77,6 +77,8 @@ namespace :admin do
       resources :groups, only: [:index, :create, :edit, :update, :destroy] do
         resources :headings, only: [:index, :create, :edit, :update, :destroy]
       end
+
+      resources :phases, as: "budget_phases", only: [:index, :edit, :update]
     end
   end
 
diff --git a/spec/system/admin/budget_phases_spec.rb b/spec/system/admin/budget_phases_spec.rb
index ce5c22c1c..36dff7ade 100644
--- a/spec/system/admin/budget_phases_spec.rb
+++ b/spec/system/admin/budget_phases_spec.rb
@@ -32,7 +32,7 @@ describe "Admin budget phases" do
         within("tr", text: "Accepting projects") { click_link "Edit phase" }
       end
 
-      expect(page).to have_css "h2", exact_text: "Edit Participatory budget - Accepting projects"
+      expect(page).to have_css "h2", exact_text: "Edit phase - Accepting projects"
 
       fill_in "Name", with: "My phase custom name"
       click_button "Save changes"
diff --git a/spec/system/admin/budgets_wizard/phases_spec.rb b/spec/system/admin/budgets_wizard/phases_spec.rb
new file mode 100644
index 000000000..d9ae34101
--- /dev/null
+++ b/spec/system/admin/budgets_wizard/phases_spec.rb
@@ -0,0 +1,57 @@
+require "rails_helper"
+
+describe "Budgets wizard, phases step", :admin do
+  let(:budget) { create(:budget, :drafting) }
+  let!(:heading) { create(:budget_heading, budget: budget) }
+
+  describe "Index" do
+    scenario "back to a previous step" do
+      heading.update!(name: "Main Park")
+
+      visit admin_budgets_wizard_budget_budget_phases_path(budget)
+
+      within "#side_menu" do
+        expect(page).to have_css ".is-active", exact_text: "Participatory budgets"
+      end
+
+      click_link "Go back to headings"
+
+      expect(page).to have_css "tr", text: "Main Park"
+      expect(page).to have_css ".creation-timeline"
+    end
+  end
+
+  describe "Edit" do
+    scenario "update phase" do
+      visit admin_budgets_wizard_budget_budget_phases_path(budget)
+
+      expect(page).to have_css ".creation-timeline"
+
+      within("tr", text: "Selecting projects") { click_link "Edit phase" }
+      fill_in "Name", with: "Choosing projects"
+      click_button "Save changes"
+
+      expect(page).to have_content "Changes saved"
+      expect(page).to have_css ".creation-timeline"
+      within_table("Phases") { expect(page).to have_content "Choosing projects" }
+    end
+
+    scenario "submit the form with errors and then without errors" do
+      phase = budget.phases.accepting
+
+      visit edit_admin_budgets_wizard_budget_budget_phase_path(budget, phase)
+      fill_in "Name", with: ""
+      click_button "Save changes"
+
+      expect(page).to have_css "#error_explanation"
+      expect(page).to have_css ".creation-timeline"
+
+      fill_in "Name", with: "Welcoming projects"
+      click_button "Save changes"
+
+      expect(page).to have_content "Changes saved"
+      expect(page).to have_css ".creation-timeline"
+      within_table("Phases") { expect(page).to have_content "Welcoming projects" }
+    end
+  end
+end