Hacı Bayram Mosque was built between 1427-1428. Hacı Bayram Veli gave his name to the mosque. The design of the mosque was made by the architect Mehmet Bey. His first renewal was through Mehmet Baba. The structure is rectangular and quite long. Don't worry about the structure that looks simple when viewed from the outside. The magnificence of the interior of the mosque will be enough to surprise you. In order to visit the mosque, you must go to Ulus District in Altındağ District. The building is very close to Ulus Square. You can take advantage of public transportation such as buses and minibuses. If you wish, the metro can be a reasonable option for a faster transportation. If you are going on a trip, you will need to take advantage of the hotels in the city center. So you will have a chance to examine the architecture in a comfortable way without having to worry about time.