Complex sentence: The Hagia Sophia (full Greek name "Ναός τῆς Ἁγίας τοῦ Θεοῦ Σοφίας" or "Shrine of the Holy Wisdom of God") has a complicated history and is currently a museum.
Split into simpler sentences: The Hagia Sophia (full Greek name "Ναός τῆς Ἁγίας τοῦ Θεοῦ Σοφίας" or "Shrine of the Holy Wisdom of God"). The building has a complicated history and is currently a museum.