| Conventional Long Name: | Italian Trans-Juba |
| Common Name: | Trans-Juba |
| Life Span: | 1924–1926 |
| Status: | Colony |
| Government Type: | Colonial Administration |
| Empire: | Italy |
| Era: | Interwar period |
| Event Pre: | Ceded to Italy |
| Date Pre: | 15 July 1924 |
| Event Start: | Territory organized |
| Date Start: | 10 July |
| Year Start: | 1925 |
| Event End: | Part of Italian Somalia |
| Date End: | 10 June |
| Year End: | 1926 |
| P1: | Kenya Colony |
| Flag P1: | Flag of Kenya (1921–1963).svg |
| S1: | Italian Somaliland |
| Flag S1: | Flag of Italy (1861-1946) crowned.svg |
| Flag: | Flag of Italy |
| National Anthem: | Marcia Reale |
| Image Map Caption: | Trans-Juba shown on a map of present-day Somalia |
| Capital: | Chisimaio |
| Title Leader: | King |
| Leader1: | Victor Emmanuel III |
| Year Leader1: | 1924–1926 |
| Leader Title2: | High Commissioner |
| Leader2: | Corrado Zoli |
| Year Leader2: | 1924–1926 |
| Religion: | Islam |
| Currency: | Italian lira |
Oltre Giuba or Trans-Juba (ar|شرق جوبا الإيطالية) was an Italian colony in the territory of Jubaland in present-day southern Somalia. It lasted from 1924 until 1926, when it was absorbed into Italian Somaliland. Transjuba is the former name of Jubaland, a federal member state of Somalia.[1]
Italian Trans-Juba was established in 1924, after the United Kingdom ceded the northern portion of the Jubaland region to Italy as a reward for the Italians having joined the Allies in World War I.[2] The territory thereafter had a brief existence as Trans-Juba (Oltre Giuba) under governor Corrado Zoli (16 July 1924–31 December 1926).
Italy issued its first postage stamps for the new colony on 29 July 1925, consisting of Italian stamps overprinted Oltre Giuba. Britain retained control of the southern half of the partitioned Jubaland territory, which was later called the Northern Frontier District.[3]
In 1925, a year after its formation, Trans-Juba was integrated into Italian Somaliland.[4]
The colony had a total area of 87,000 km² (33,000 sq mi), and in 1926, a population of 120,000 inhabitants. In the capital Kismayo (Chisimaio), there was a small group of Italian settlers, mostly merchants. During this period, the city was the third largest in Somalia and served as a port of call for small military ships.
The Bajuni Islands ("Isole Giuba") were part of British East Africa until World War I. They were transferred to Italy in 1926.