diff --git a/src/TgBotLib/Objects/Telegram/GiveawayCompleted.php b/src/TgBotLib/Objects/Telegram/GiveawayCompleted.php
new file mode 100644
index 0000000..a62ff9f
--- /dev/null
+++ b/src/TgBotLib/Objects/Telegram/GiveawayCompleted.php
@@ -0,0 +1,79 @@
+<?php
+
+namespace TgBotLib\Objects\Telegram;
+
+use TgBotLib\Interfaces\ObjectTypeInterface;
+
+class GiveawayCompleted implements ObjectTypeInterface
+{
+    private int $winner_count;
+    private ?int $unclaimed_prize_count;
+    private ?Message $giveaway_message;
+    private bool $is_star_giveaway;
+
+    /**
+     * Number of winners in the giveaway
+     *
+     * @return int
+     */
+    public function getWinnerCount(): int
+    {
+        return $this->winner_count;
+    }
+
+    /**
+     * Optional. Number of undistributed prizes
+     *
+     * @return int|null
+     */
+    public function getUnclaimedPrizeCount(): ?int
+    {
+        return $this->unclaimed_prize_count;
+    }
+
+    /**
+     * Optional. Message with the giveaway that was completed, if it wasn't deleted
+     *
+     * @return Message|null
+     */
+    public function getGiveawayMessage(): ?Message
+    {
+        return $this->giveaway_message;
+    }
+
+    /**
+     * Optional. True, if the giveaway is a Telegram Star giveaway. Otherwise, currently, the giveaway is a Telegram Premium giveaway.
+     *
+     * @return bool
+     */
+    public function isStarGiveaway(): bool
+    {
+        return $this->is_star_giveaway;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function toArray(): array
+    {
+        return [
+            'winner_count' => $this->winner_count,
+            'unclaimed_prize_count' => $this->unclaimed_prize_count,
+            'giveaway_message' => $this->giveaway_message?->toArray(),
+            'is_star_giveaway' => $this->is_star_giveaway
+        ];
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public static function fromArray(array $data): ObjectTypeInterface
+    {
+        $object = new self();
+        $object->winner_count = $data['winner_count'];
+        $object->unclaimed_prize_count = $data['unclaimed_prize_count'] ?? null;
+        $object->giveaway_message = isset($data['giveaway_message']) ? Message::fromArray($data['giveaway_message']) : null;
+        $object->is_star_giveaway = $data['is_star_giveaway'] ?? false;
+        return $object;
+    }
+}
\ No newline at end of file