Complex sentence: The Mosque is one of the smallest to be commissioned by a Grand Vizier in Constantinople, however it is its miniature dimensions combined with its picturesque waterfront location which have made it one of the most attractive mosques in city.
Split into simpler sentences: The Mosque is one of the smallest mosques to be commissioned by a Grand Vizier. Its miniature dimensions combined with its picturesque waterfront location make it one of the most attractive mosques in city.