As of April 2023[update], the Istanbul Metro has 144 stations in operation on eleven metro lines (150 including also the three funiculars operated by Metro İstanbul A.Ş.). 92 are on the European side while 52 are on the Asian side. The first stations to open were Aksaray, Emniyet—Fatih, Topkapı—Ulubatlı, Bayrampaşa—Maltepe, Sağmalcılar and Kocatepe all which opened on 3 September 1989 on the M1. The system currently has 56 stations under construction, 1 station is reserved and 22 station is currently on hold.