| Country | Date | |
|---|---|---|
| Denmark | 1994 | (theatrical release) |
| Denmark | 24 November 1994 | |
| Sweden | 10 February 1995 | |
| Netherlands | 2 March 1995 | |
| Germany | 11 April 1995 | |
| France | 21 June 1995 | (theatrical release) |
| USA | 10 November 1995 | (theatrical release) |
| Portugal | 1996 | (theatrical release) |
| UK | 5 January 1996 | |
| Finland | 29 April 1996 | |
| South Korea | 13 December 1997 | |
| Finland | 24 December 1998 | (re-release) |
| Hungary | 20 March 2003 | |
| Italy | 19 April 2006 |
| "The Kingdom" | France (theatrical title) / Greece (DVD title) / International (English title) |
| "A birodalom" | Hungary |
| "El reino" | Spain |
| "Geister" | Germany |
| "Hospital der Geister - The Kingdom" | Germany (video title) |
| "Il regno" | Italy |
| "Królestwo" | Poland |
| "L'hôpital et ses fantômes" | France |
| "Lars von Trier præsenterer: Riget" | Denmark (video box title) |
| "Lars von Triers Riget I" | Denmark (DVD box title) |
| "O Reino" | Portugal |
| "Riket" | Sweden |
| "Valtakunta" | Finland |
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