Bandung (until 1972: Bandoeng), called "City of Flowers" (Indonesian Kota Kembang), is the provincial capital of West Java (West Java) and nearly 3 million people, Indonesia's fourth largest city after Jakarta, Surabaya and Medan. In colonial times Bandung was known for its European ambience and its culture as the "Paris of Java". Bandung tells Miami's tropical art deco architecture from the 1920s. The most important Art Deco buildings in the city are the Villa Isola, the Grand Hotel Preanger and Savoy Homann Bidakara Hotel, in addition, there are other very interesting buildings of this architectural style. From the middle of the 19th century Bandung was the heart of the plantation area. Bandung was the site of the historic Bandung Conference from April 18 to April 24, 1955. Bandung today is the center of higher education, trade, textile, leather and aircraft industry. In Bandung, the highly respected in Indonesia ITB (Institut Teknologi Bandung) is located next to some other universities, which trains engineers from various disciplines. The local language of the inhabitants of Bandung is the Sundanese, but almost everyone speaks Indonesian.