| Surabaya metropolitan area | |
| Native Name Lang: | jv |
| Translit Lang1: | Other |
| Translit Lang1 Type1: | Javanese |
| Translit Lang1 Info1: | ꦒꦼꦂꦧꦁꦏꦼꦂꦠꦱꦸꦱꦶꦭ Javanese: Gerbangkertasusila |
| Settlement Type: | Megacity and Megalopolis |
| Subdivision Type: | Country |
| Subdivision Name: |  Indonesia |
| Subdivision Type1: | Province |
| Seat Type: | Core city |
| Seat: | Surabaya |
| Seat1 Type: | Satellite city |
| Seat1: | Mojokerto |
| Parts Type: | Regencies |
| Parts: | Gresik Regency Bangkalan Regency Mojokerto Regency Sidoarjo Regency Lamongan Regency |
| Area Metro Km2: | 6310.06 |
| Population Metro: | 9958656 |
| Population Urban: | 6251766 |
| Population Density Metro Km2: | auto |
| Population As Of: | mid 2023 estimate |
| Timezone1: | Indonesia Western Time |
| Utc Offset1: | +7 |
| Blank Name: | GDP metro |
| Blank Info: | 2023 |
| Blank1 Name: | - Total |
| Blank1 Info: | Rp 1,541.080 trillion US$ 101.105 billion US$ 323.805 billion (PPP) |
| Blank2 Name: | - Per capita |
| Blank2 Info: | Rp 130.624 million US$ 8,570 US$ 27,446 (PPP) |
| Footnotes: | Highest elevation 3,339 m/10,955 ft (Arjuno-Welirang, in Mojokerto Regency) |
| Demographics Type2: | GDP Megacity |
| Demographics2 Footnotes: | [1] |
| Demographics2 Title1: | GDP |
| Demographics2 Info1: | IDR 2,037,094 trillion (2023) |
| Demographics2 Title2: | Nominal |
| Demographics2 Info2: | US$ 133.647 billion (2023) |
| Demographics2 Title3: | PPP |
| Demographics2 Info3: | US$ 428.025 billion (2023) |
The Surabaya metropolitan area or Greater Surabaya, known locally as Gerbangkertosusila (Javanese: ꦒꦼꦂꦧꦁꦏꦼꦂꦠꦱꦸꦱꦶꦭ|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]
Grebangkertosusila is an official acronym of "Gresik Bangkalan Mojokerto Surabaya Sidoarjo Lamongan", a main metropolitan or planning area in East Java consisting of the seven cities and regencies with those names (Mojokerto is both a city and a separate regency).[3] [4] It has an area of 6,310.06 km2, and at the 2020 Census had a population of 9,924,509,[5] rising to 9,975,878 according to the official estimates as at mid 2022.[6]
The national government regards the Surabaya Metropolitan Area as including only Surabaya, Sidoarjo Regency, and Gresik Regency, known as "Zona Surabaya Raya".[7] Gresik Regency includes Bawean Island, covering some 196 km2 and lying north of Java; however Bawean Island is excluded from the Metropolitan Area.
Surabaya traditionally constituted Indonesia's second-largest metropolitan area, after Jakarta, but fast growing Bandung Metropolitan Area (in West Java) is since 2005 more populous. However, the extended metropolitan area of Surabaya is second in Indonesia only to Jabodetabek. The areas and populations at the 2010 Census,[8] the 2020 Census[9] and according to the official estimates for mid 2022,[10] are shown below for the component parts of the metropolitan area.
| Administrative Region | Area (km2) mid 2022 | Pop'n 2010 Census | Pop'n 2020 Census | Pop'n mid 2023 estimate[11] | Density (per km2) mid 2023 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Surabaya City | 350.54 | 2,765,487 | 2,874,314 | 3,000,076 | 8,558 | ||||||
| Gresik Regency (a) | 1,193.76 | 1,177,042 | 1,311,215 | 1,296,688 | 1,086 | ||||||
| Sidoarjo Regency | 719.34 | 1,941,497 | 2,082,800 | 1,955,002 | 2,718 | ||||||
| Zona Surabaya Raya | 2,247.55 | 5,884,026 | 6,268,329 | 6,251,766 | 2,782 | ||||||
| Bangkalan Regency | 1,260.14 | 906,761 | 1,060,377 | 1,042,870 | 828 | ||||||
| Mojokerto Regency | 969.36 | 1,025,443 | 1,119,209 | 1,139,457 | 1,176 | ||||||
| Mojokerto City | 20.21 | 120,196 | 132,424 | 141,336 | 6,993 | ||||||
| Lamongan Regency | 1,812.80 | 1,179,059 | 1,344,170 | 1,383,227 | 763 | ||||||
| Gerbangkertosusila | 6,310.06 | 9,115,485 | 9,924,509 | 9,958,656 | 1,578 |
Note: (a) The island of Bawean, while part of Gresik Regency, is not technically part of the Metropolitan area; nevertheless for convenience the figures given here include Bawean.
Reference: Statistics Indonesia[12]
See also: Commuter rail in Surabaya, Suroboyo Bus and Trans Semanggi Suroboyo.
Surabaya metropolitan area has air connection via Juanda International Airport.
Surabaya metropolitan area has five commuter rail services with the network similar with KRL Commuterline in Jakarta metropolitan area. The services connects Surabaya city center to the neighboring cities and regency in the area.
The Suroboyo Bus city bus is serving Surabaya, using plastic waste as a form of payment. Ever since May 2022, however, direct payment using plastic bottles on the bus has been terminated and plastic waste has to be exchanged in designated points beforehand.[13]