Upper Silesia

Upper Silesia

*Górny Śląsk* (Polish)
*Gůrny Ślůnsk* (Silesian)
*Horní Slezsko* (Czech)
*Oberschlesien* (German)
Upper Silesia Górny Śląsk (Polish); Gůrny Ślůnsk (Silesian); Horní Slezsko (Czech); Oberschlesien (German)
Historical region
	From top, left to right: Opole Old Town; Historic Silver Mine in Tarnowskie Góry; Gliwice Old Town; Cieszyn Old Town;
	Flag Coat of arms
	Location of Upper Silesia on the map of Poland
	Contemporary map of Upper Silesia in English
Countries	Poland; Czech Republic
Historical capital	Opole
Largest city	Katowice
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)
Highways

Upper Silesia (Polish: Górny Śląsk^ⓘ ; Silesian: Gůrny Ślůnsk, Gōrny Ślōnsk;^[1] Czech: Horní Slezsko; German: Oberschlesien^ⓘ ; Silesian German: Oberschläsing; Latin: Silesia Superior) is the southeastern part of the historical and geographical region of Silesia, located today mostly in Poland, with small parts in the Czech Republic. The area is predominantly known for its heavy industry (mining and metallurgy).

^ This is two leading ways of writing of Silesian alphabet, e.i. used on Silesian Wikipedia and various Silesian websites: http://www.wachtyrz.eu/ Archived 2021-03-02 at the Wayback Machine, http://silling.org Archived 2021-02-28 at the Wayback Machine.

Upper Silesia Górny Śląsk (Polish) Gůrny Ślůnsk (Silesian) Horní Slezsko (Czech) Oberschlesien (German)
Historical region
From top, left to right: Opole Old Town Historic Silver Mine in Tarnowskie Góry Gliwice Old Town Cieszyn Old Town
Flag Coat of arms
Location of Upper Silesia on the map of Poland
Contemporary map of Upper Silesia in English
Countries	Poland Czech Republic
Historical capital	Opole
Largest city	Katowice
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)
Highways