The Upper Silesian Industrial Region (Polish: Górnośląski Okręg Przemysłowy, pronounced [gurnɔˈɕlɔ̃skʲi ˌɔkrɛŋk pʂɛmɨˈswɔvɨ], Polish abbreviation: GOP [gɔp]; German: Oberschlesisches Industriegebiet) is a large industrial region in Poland. It lies mainly in the Silesian Voivodeship, centered on Katowice.
It is situated in the northern part of Upper Silesian Coal Basin a home of altogether 5 million people (Silesian metropolitan area), the southwest border of the Rybnik Coal Area (Polish: Rybnicki Okręg Węglowy, ROW) and west borders with the Ostrava urban area. Covers 3,200 km² and about 3 million people.
Upper Silesian Industrial Region is an area with enormous concentration of industry. Dominates here: