| slovenčina | slk-000 |
| Belgrade | |
| العربية | arb-000 | بيلغراد، مونتانا |
| English | eng-000 | Belgrade |
| français | fra-000 | Belgrade |
| Ido | ido-000 | Belgrade |
| lengua lumbarda | lmo-000 | Belgrade |
| Nederlands | nld-000 | Belgrade |
| português | por-000 | Belgrade |
| српски | srp-000 | Белгрејд |
| Volapük | vol-000 | Belgrade |