| Spanish | English |
| Africa oriental | East Africa |
| Africa oriental | East Africa A geographic region of the African continent that includes Burundi, Kenya, Rwanda, Tanzania, Uganda, Ethiopia and Somalia, and also Mt. Kilimanjaro and Lake Victoria |
| Asia oriental | Eastern Asia |
| Asia oriental | Eastern Asia A geographic region of the Asian continent bordered by the Pacific Ocean in the east that includes China, Japan, Korea, Macao, Taiwan and Siberia |
| asociación estratégica en cuestiones de agua entre la Unión Europea y los países de Europa Oriental, el Cáucaso y Asia Central | Strategic Partnership on Water between the EU and the States of Eastern Europe, Caucasus and Central Asia |
| asociación estratégica en cuestiones de agua entre la Unión Europea y los países de Europa Oriental, el Cáucaso y Asia Central | EU-EECCA Strategic Partnership on Water for Sustainable Development |
| bosque oriental de roble blanco | Eastern white oak woods |
| Centro Regional de Medio Ambiente para Europa Central y Oriental | Regional Environmental Centre for Central and Eastern Europe |
| cooperación estratégica sobre el agua entre la UE y los Estados de Europa Oriental, el Cáucaso y Asia Central | Strategic Partnership on Water between the EU and the States of Eastern Europe, Caucasus and Central Asia |
| cooperación estratégica sobre el agua entre la UE y los Estados de Europa Oriental, el Cáucaso y Asia Central | EU-EECCA Strategic Partnership on Water for Sustainable Development |
| Europa oriental | Eastern Europe |
| Europa oriental | Eastern Europe A geographic region of the European continent west of Asia and east of Germany and the Adriatic Sea, traditionally consisting of countries that were formerly part of the Soviet Union, such as Poland, the Czech Republic, Slovakia, Hungary, Romania, Serbia, Croatia and Bulgaria |
| Programa de Acción Ecológica para Europa Central y Oriental | Environmental Action Programme for Central and Eastern Europe |
| tragopan oriental | Blyth's tragopan (Tragopan blythii) |
