Qasr-e Shirin County with a population of 19821 people in 1385 is one of the Counties in Kermanshah Province. Qasr-e Shirin is the center of this County which is located 166 kilometers from the west of Kermanshah and is 400 meters high from sea level and Sumar is the other city of it. Qasr-e Shirin County is surrounded by Iraq in north and west and by Ilam in the south and by Sar-e Pol Zahab and Gilangharb Counties in the east. Qasr-e Shirin County is on the main road of Tehran-Baghdad. The most famous ancient monument of this county is Chahartaghi and mansion. Shah Abbasi Inn and Javamir Castle are its other historical monuments. The people of Qasr-e Shirin are Kurdish.
Qasr-e Shirin is one of the oldest and historical cities of this province and its construction is ascribed to the historical and literature works of Khosrow Parviz. He built a vast garden with pleasant palaces that were suitable for the winter weather of the region during his reign.
The sights: Charghapi, Khosrow Sassanid Palace, Hosh Kari, Qasr-e Shirin Inn, Shah Godar Stream