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Photo: Christian1311, CC BY-SA 4.0 via Wikimedia Commons
The Church of Holy Trinity (Surp Yerrortutyun Kilisesi, Սուրբ Երրորդութիւն Եկեղեցի) has stood here since 1650, but the current building is from the 1880s, when it was rebuilt after a fire. In 1915 the Armenians were massacred and the church was abandoned. In the 2010s it was renovated as an event centre, obliterating all its frescoes. You're unlikely to find it open.
The Holy Trinity Church or Surp Yerrortut'yun Church is a historical Armenian Apostolic temple in the former Armenian quarter of Sivrihisar in the western Turkish province of Eskişehir. It was used as a store after the Armenians of the town had been deported and killed during the Armenian genocide. It is one of the biggest churches in Anatolia.
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Ulu Camii
Mosque built in 1275 AD and listed as a . The stone exterior is simple, but the interior is wooden with 67 columns supporting its roof and an elaborate pulpit.
Zaimağa Konağı
Mansion built in 1902 and restored as a museum. In March 1922, at the height of the War of Independence, the Turkish National Assembly convened here, the only time it did so outside Ankara.
The property has several rock climbing and bouldering routes, suitable for both beginners and those with experience. There is also a basic campground.