When you visit this mosque, you will feel as if you are going back in time to see the great nation of the Ottoman Emperor. Yag Mosque was converted from a church to a mosque by Khalil Pasha in the period of Ramzanoglu Emirate. It is one of the oldest mosques located in the city of Adana. It is located in the old bazaar area and is characterized by the classic Ottoman architecture. It has a single minarets and a spacious courtyard and is built of yellow stone. The reason for being called the Oil Collector is due to the oil market next to it in the bazaar.