TRENDEFRARAtlas of the Sultans · Wars, battles and treaties
Siege · 1539
Before the victory of Preveza (1538) Andrea Doria had taken Castelnuovo (Herceg Novi) on the Adriatic coast and placed Spanish troops there. According to the TDV article on Barbaros Hayreddin Pasha, after Preveza Barbaros retook Castelnuovo with ease (7 August 1539). Venice made peace with the Ottomans in 1540 and left the Holy League.
| Date | 7 August 1539 |
|---|---|
| Location | Castelnuovo (Herceg Novi), Bay of Kotor |
| Result | The town was recovered from the Spanish |
| Belligerents | Ottoman Empire | Spanish Empire |
|---|---|---|
| Commanders | Barbaros Hayreddin Pasha |
Took place during the reign of Suleiman I (1520–1566). Suleiman I
Open the reign of Suleiman I on the mapBy the atlas's calculation the Ottoman lands covered about 3,449,000 km² in 1539; at the start of Suleiman I's reign they measured 3,034,000 km², at its end 5,127,000 km².
During Suleiman I (1520–1566) the atlas records 20 regions gained and 1 region lost.
Regions gained: Belgrade–Šabac (1521), Rhodes and the Dodecanese (1522), Eastern Slavonia and Syrmia (Osijek–Vukovar) (1526), Lika–Krbava (1527), Baghdad–Basra (1534), Požega (central Slavonia) (1537), Kars–Ardahan–Artvin (1537), Yemen–Asir (1538), and 12 more.
Regions lost: Kars–Ardahan–Artvin (1565).
With a reign of forty-six years he ruled longer than any other sultan. He brought the state to its military, legal and cultural peak; yet the executions of his sons Mustafa and Bayezid are the gravest instances of violence within the dynasty.
Areas are land area computed from the atlas's region data; see Method and sources.
Source: TDV Encyclopedia of Islam, “BARBAROS HAYREDDİN PAŞA” (Turkish); text written for the atlas.
Cite as: Atlas of the Sultans, “Siege of Castelnuovo (1539): Date, Commanders and Outcome”, https://padisahlaratlasi.com/en/events/siege-of-castelnuovo/ (last updated 12 November 2026). Corrections