diff --git a/cogs/register.py b/cogs/register.py
new file mode 100644
index 0000000..1998516
--- /dev/null
+++ b/cogs/register.py
@@ -0,0 +1,54 @@
+from bson.errors import InvalidId
+from discord import ApplicationContext, Cog, option, slash_command
+from discord.utils import basic_autocomplete
+
+from classes import PycordEvent, PycordGuild, PycordUser
+from classes.pycord_bot import PycordBot
+from modules.utils import autocomplete_active_events
+
+
+class Register(Cog):
+    """Cog with the event registration command."""
+
+    def __init__(self, bot: PycordBot):
+        self.bot: PycordBot = bot
+
+    # TODO Introduce i18n
+    @slash_command(
+        name="register",
+        description="Enter the selected event",
+    )
+    @option(
+        "event",
+        description="Name of the event",
+        autocomplete=basic_autocomplete(autocomplete_active_events),
+    )
+    async def command_register(self, ctx: ApplicationContext, event: str) -> None:
+        guild: PycordGuild = await self.bot.find_guild(ctx.guild.id)
+
+        try:
+            pycord_event: PycordEvent = await self.bot.find_event(event_id=event)
+        except (InvalidId, RuntimeError):
+            # TODO Make a nice message
+            await ctx.respond("Event was not found.")
+            return
+
+        if not guild.is_configured():
+            # TODO Make a nice message
+            await ctx.respond("Guild is not configured.")
+            return
+
+        user: PycordUser = await self.bot.find_user(ctx.author)
+
+        if pycord_event._id in user.registered_event_ids:
+            # TODO Make a nice message
+            await ctx.respond("You are already registered for this event.")
+            return
+
+        await user.event_register(pycord_event._id, cache=self.bot.cache)
+
+        await ctx.respond("Ok.")
+
+
+def setup(bot: PycordBot) -> None:
+    bot.add_cog(Register(bot))
diff --git a/cogs/unregister.py b/cogs/unregister.py
new file mode 100644
index 0000000..1ec2d48
--- /dev/null
+++ b/cogs/unregister.py
@@ -0,0 +1,60 @@
+from bson.errors import InvalidId
+from discord import ApplicationContext, Cog, option, slash_command
+from discord.utils import basic_autocomplete
+
+from classes import PycordEvent, PycordGuild, PycordUser
+from classes.pycord_bot import PycordBot
+from modules.utils import autocomplete_user_registered_events
+
+
+class Unregister(Cog):
+    """Cog with the event unregistration command."""
+
+    def __init__(self, bot: PycordBot):
+        self.bot: PycordBot = bot
+
+    # TODO Introduce i18n
+    @slash_command(
+        name="unregister",
+        description="Leave the selected event",
+    )
+    @option(
+        "event",
+        description="Name of the event",
+        autocomplete=basic_autocomplete(autocomplete_user_registered_events),
+    )
+    @option("confirm", description="Confirmation of the operation", required=False)
+    async def command_unregister(self, ctx: ApplicationContext, event: str, confirm: bool = False) -> None:
+        if confirm is None or not confirm:
+            # TODO Make a nice message
+            await ctx.respond("Operation not confirmed.")
+            return
+
+        guild: PycordGuild = await self.bot.find_guild(ctx.guild.id)
+
+        try:
+            pycord_event: PycordEvent = await self.bot.find_event(event_id=event)
+        except (InvalidId, RuntimeError):
+            # TODO Make a nice message
+            await ctx.respond("Event was not found.")
+            return
+
+        if not guild.is_configured():
+            # TODO Make a nice message
+            await ctx.respond("Guild is not configured.")
+            return
+
+        user: PycordUser = await self.bot.find_user(ctx.author)
+
+        if pycord_event._id not in user.registered_event_ids:
+            # TODO Make a nice message
+            await ctx.respond("You are not registered for this event.")
+            return
+
+        await user.event_unregister(pycord_event._id, cache=self.bot.cache)
+
+        await ctx.respond("Ok.")
+
+
+def setup(bot: PycordBot) -> None:
+    bot.add_cog(Unregister(bot))
diff --git a/cogs/user.py b/cogs/user.py
new file mode 100644
index 0000000..9d0102e
--- /dev/null
+++ b/cogs/user.py
@@ -0,0 +1,88 @@
+from discord import (
+    ApplicationContext,
+    SlashCommandGroup,
+    User,
+    option,
+)
+from discord.ext.commands import Cog
+
+from classes.pycord_bot import PycordBot
+
+
+class User(Cog):
+    """Cog with user management commands."""
+
+    def __init__(self, bot: PycordBot):
+        self.bot: PycordBot = bot
+
+    # TODO Introduce i18n
+    command_group: SlashCommandGroup = SlashCommandGroup("user", "User management")
+
+    # TODO Implement the command
+    @command_group.command(
+        name="create_channel",
+        description="Create channel for the user",
+    )
+    @option(
+        "user",
+        description="Selected user",
+    )
+    async def command_user_create_channel(self, ctx: ApplicationContext, user: User) -> None:
+        await ctx.respond("Not implemented.")
+
+    # TODO Implement the command
+    @command_group.command(
+        name="update_channel",
+        description="Update user's channel",
+    )
+    @option(
+        "user",
+        description="Selected user",
+    )
+    async def command_user_update_channel(self, ctx: ApplicationContext, user: User) -> None:
+        await ctx.respond("Not implemented.")
+
+    # TODO Implement the command
+    @command_group.command(
+        name="delete_channel",
+        description="Delete user's channel",
+    )
+    @option(
+        "user",
+        description="Selected user",
+    )
+    @option("confirm", description="Confirmation of the operation", required=False)
+    async def command_user_delete_channel(
+        self, ctx: ApplicationContext, user: User, confirm: bool = False
+    ) -> None:
+        await ctx.respond("Not implemented.")
+
+    # TODO Implement the command
+    @command_group.command(
+        name="jail",
+        description="Jail the user",
+    )
+    @option(
+        "user",
+        description="Selected user",
+    )
+    @option("confirm", description="Confirmation of the operation", required=False)
+    async def command_user_jail(self, ctx: ApplicationContext, user: User, confirm: bool = False) -> None:
+        await ctx.respond("Not implemented.")
+
+    # TODO Implement the command
+    @command_group.command(
+        name="unjail",
+        description="Unjail the user",
+    )
+    @option(
+        "user",
+        description="Selected user",
+    )
+    @option("confirm", description="Confirmation of the operation", required=False)
+    async def command_user_unjail(self, ctx: ApplicationContext, user: User, confirm: bool = False) -> None:
+        await ctx.respond("Not implemented.")
+
+
+def setup(bot: PycordBot) -> None:
+    bot.add_cog(User(bot))