Orhan Gazi Mosque

Orhan Gazi Mosque stands in the center of Söğüt town in Bilecik province and is among the earliest surviving mosque structures associated with the Ottoman dynasty. The mosque is named for Orhan Gazi (c. 1281–1362), the son of Osman I and the second Ottoman ruler, who expanded the nascent principality from its Bilecik heartland into a growing Anatolian state. The building's modest proportions reflect the pre-imperial period of Ottoman architecture before the dynasty's later monumental ambitions fully emerged.

The current structure has been restored over the centuries while preserving its early Ottoman character: a single-domed prayer hall with thick stone walls, a simple portico entrance, and a slender minaret that rises above the Söğüt townscape. Inside, the prayer space is intimate and unadorned compared to later imperial Ottoman mosques, with whitewashed walls, wooden calligraphy panels, and a carved mihrab (prayer niche) oriented toward Mecca. A small ablutions fountain stands in the courtyard for ritual washing before prayer.

The mosque remains an active place of worship used by the Söğüt community for daily prayers. Non-Muslim visitors are welcome outside prayer times: the five daily prayer windows temporarily close the mosque to visitors. Between prayer times the mosque is generally open from morning until early evening. Headscarves and shoe removal are required; scarves are sometimes available at the entrance. Photography of the exterior is unrestricted; inside, photography is generally permitted when the mosque is not in active use.

Söğüt's small size means all heritage sites are within a short walk: Ertuğrul Gazi Tomb is approximately five minutes on foot and the Söğüt Museum is two minutes away. A visit to the mosque takes 20 to 30 minutes and fits naturally into a wider Söğüt Ottoman heritage circuit. The town has basic teahouses on the main street for refreshments.