diff --git a/customtkinter/__init__.py b/customtkinter/__init__.py
index ac1a8b70..a2cd1519 100644
--- a/customtkinter/__init__.py
+++ b/customtkinter/__init__.py
@@ -39,6 +39,7 @@
 from .windows import CTk
 from .windows import CTkToplevel
 from .windows import CTkInputDialog
+from .windows import CTkAlertDialog
 
 # import font classes
 from .windows.widgets.font import CTkFont
diff --git a/customtkinter/windows/__init__.py b/customtkinter/windows/__init__.py
index ca681b72..050ca9fe 100644
--- a/customtkinter/windows/__init__.py
+++ b/customtkinter/windows/__init__.py
@@ -1,3 +1,4 @@
 from .ctk_tk import CTk
 from .ctk_toplevel import CTkToplevel
 from .ctk_input_dialog import CTkInputDialog
+from .ctk_alert_dialog import CTkAlertDialog
diff --git a/customtkinter/windows/ctk_alert_dialog.py b/customtkinter/windows/ctk_alert_dialog.py
new file mode 100644
index 00000000..db668730
--- /dev/null
+++ b/customtkinter/windows/ctk_alert_dialog.py
@@ -0,0 +1,100 @@
+from typing import Union, Tuple, Optional
+
+from .widgets import CTkLabel
+from .widgets import CTkButton
+from .widgets.theme import ThemeManager
+from .ctk_toplevel import CTkToplevel
+from .widgets.font import CTkFont
+
+
+class CTkAlertDialog(CTkToplevel):
+    """
+    Dialog with extra window, message, cancel and ok button.
+    For detailed information check out the documentation.
+    """
+
+    def __init__(self,
+                 fg_color: Optional[Union[str, Tuple[str, str]]] = None,
+                 text_color: Optional[Union[str, Tuple[str, str]]] = None,
+                 button_fg_color: Optional[Union[str, Tuple[str, str]]] = None,
+                 button_hover_color: Optional[Union[str, Tuple[str, str]]] = None,
+                 button_text_color: Optional[Union[str, Tuple[str, str]]] = None,
+                 title: str = "CTkDialog",
+                 font: Optional[Union[tuple, CTkFont]] = None,
+                 text: str = "CTkDialog"):
+
+        super().__init__(fg_color=fg_color)
+
+        self._fg_color = ThemeManager.theme["CTkToplevel"]["fg_color"] if fg_color is None else self._check_color_type(fg_color)
+        self._text_color = ThemeManager.theme["CTkLabel"]["text_color"] if text_color is None else self._check_color_type(button_hover_color)
+        self._button_fg_color = ThemeManager.theme["CTkButton"]["fg_color"] if button_fg_color is None else self._check_color_type(button_fg_color)
+        self._button_hover_color = ThemeManager.theme["CTkButton"]["hover_color"] if button_hover_color is None else self._check_color_type(button_hover_color)
+        self._button_text_color = ThemeManager.theme["CTkButton"]["text_color"] if button_text_color is None else self._check_color_type(button_text_color)
+        self._is_ok: bool = False
+        self._running: bool = False
+        self._title = title
+        self._text = text
+        self._font = font
+
+        self.title(self._title)
+        self.lift()  # lift window on top
+        self.attributes("-topmost", True)  # stay on top
+        self.protocol("WM_DELETE_WINDOW", self._on_closing)
+        self.after(10, self._create_widgets)  # create widgets with slight delay, to avoid white flickering of background
+        self.resizable(False, False)
+        self.grab_set()  # make other windows not clickable
+
+    def _create_widgets(self):
+        self.grid_columnconfigure((0, 1), weight=1)
+        self.rowconfigure(0, weight=1)
+
+        self._label = CTkLabel(master=self,
+                               width=300,
+                               wraplength=300,
+                               fg_color="transparent",
+                               text_color=self._text_color,
+                               text=self._text,
+                               font=self._font)
+        self._label.grid(row=0, column=0, columnspan=2, padx=20, pady=20, sticky="ew")
+
+        self._ok_button = CTkButton(master=self,
+                                    width=100,
+                                    border_width=0,
+                                    fg_color=self._button_fg_color,
+                                    hover_color=self._button_hover_color,
+                                    text_color=self._button_text_color,
+                                    text='Ok',
+                                    font=self._font,
+                                    command=self._ok_event)
+        self._ok_button.grid(row=2, column=0, columnspan=1, padx=(20, 10), pady=(0, 20), sticky="ew")
+
+        self._cancel_button = CTkButton(master=self,
+                                        width=100,
+                                        border_width=0,
+                                        fg_color=self._button_fg_color,
+                                        hover_color=self._button_hover_color,
+                                        text_color=self._button_text_color,
+                                        text='Cancel',
+                                        font=self._font,
+                                        command=self._cancel_event)
+        self._cancel_button.grid(row=2, column=1, columnspan=1, padx=(10, 20), pady=(0, 20), sticky="ew")
+
+
+    def _ok_event(self, event=None):
+        self._is_ok = True
+        self.grab_release()
+        self.destroy()
+
+    def _on_closing(self):
+        self.grab_release()
+        self.destroy()
+
+    def _cancel_event(self):
+        self._is_ok = False
+        self.grab_release()
+        self.destroy()
+
+    def get_state(self):
+        self.master.wait_window(self)
+        return self._is_ok
+