Surabaya metropolitan area

Surabaya metropolitan area Gerbangkertosusila
Megacity and Megalopolis
Other transcription(s)
• Javanese	ꦒꦼꦂꦧꦁ​ꦏꦼꦂꦠꦱꦸꦱꦶꦭ Gerbangkertasusila
From top, left to right: Downtown Surabaya, aerial view of Gresik Regency, Mojokerto at night, Suramadu Bridge that connects Surabaya and Bangkalan Regency, Brahu Temple Trowulan in Mojokerto Regency, Gelora Delta Stadium in Sidoarjo Regency, a mangrove tree in Lamongan Regency.
Country	Indonesia
Province	East Java
Core city	Surabaya
Satellite city	Mojokerto
Regencies	Gresik Regency Bangkalan Regency Mojokerto Regency Sidoarjo Regency Lamongan Regency
Area
• Metro	6,310.06 km2 (2,436.33 sq mi)
Population  (mid 2023 estimate)
• Urban	6,251,766
• Metro	9,958,656
• Metro density	1,600/km2 (4,100/sq mi)
GDP Megacity [1]
• GDP	IDR 2,037,094 trillion (2023)
• Nominal	US$ 133.647 billion (2023)
• PPP	US$ 428.025 billion (2023)
Time zone	UTC+7 (Indonesia Western Time)
GDP metro	2023[1]
- Total	Rp 1,541.080 trillion US$ 101.105 billion US$ 323.805 billion (PPP)
- Per capita	Rp 130.624 million US$ 8,570 US$ 27,446 (PPP)
Highest elevation 3,339 m/10,955 ft (Arjuno-Welirang, in Mojokerto Regency)

The Surabaya metropolitan area or Greater Surabaya, known locally as Gerbangkertosusila (Javanese: ꦒꦼꦂꦧꦁ​ꦏꦼꦂꦠꦱꦸꦱꦶꦭ, romanized: Gěrbangkěrtåsusila, from Gresik-Bangkalan-Mojokerto-Surabaya-Sidoarjo-Lamongan), is a metropolitan area in East Java, Indonesia. It is the country's second-largest metropolitan area, after Jakarta metropolitan area. Gerbangkertosusila had also been used in presidential decree to refer to larger region which include Jombang, Bojonegoro, and Tuban.^[2]