South-East Europe
NATO-Members: Hungaria, Romania, Bulgaria, Croatia, Albania, Montenegro, North-Macedonia, Greece
Non-NATO-Members:
Kosovo (Southern Province of Serbia)
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BIH | Sarajevo Military Airport
https://www.openstreetbrowser.org/#map=15/43.8671/18.3141&categories=military
43.869524, 18.304419Wikipedia EN: n/a
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. Foreign or Overseas Base | .. Missile Defence | .. Telecommunications Station | Europe | South-East Europe
ROU | Deveselu Base
https://www.openstreetbrowser.org/#map=13/44.0709/24.4267&categories=military
44.077134, 24.419569
Google Earth 2014 
Google Earth 2021 
Wikimedia 2016 Wikipedia EN: https://en.wikipedia.org/wiki/Deveselu
Aegis Missile Defence EN: https://en.wikipedia.org/wiki/Aegis_Ballistic_Missile_Defense_System –
https://en.wikipedia.org/wiki/Mark_41_Vertical_Launching_System
DE: https://de.wikipedia.org/wiki/Mk_41_Vertical_Launching_SystemReview location: foreign or shared base
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AL | Durres
https://www.openstreetbrowser.org/#map=13/41.3013/19.4980&categories=military
41.312841, 19.455468
Wikipedia EN: n/a
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HRV | Zadar Gazenica (Croatia)
https://www.openstreetbrowser.org/#map=15/44.0894/15.2811&categories=military
44.087777, 15.269822Wikipedia EN: n/a
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BGR | Novo Selo
https://www.openstreetbrowser.org/#map=14/44.0170/22.8421&categories=military
44.017434, 22.835404
Wikipedia EN: n/a
BSR: Novo Selo Training Area
Note: No (BSR) training area, but use of non-declared military airfield
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. Shared Base | .. Airplane Landing Site | .. Command Center | .. Missile Defence | .. Naval Port | .. Use of Civil Airport | Europe | South-East Europe
GRC | Naval Support Activity Souda Bay, Crete
htt
ps://www.openstreetbrowser.org/#map=15/35.5311/24.1666&categories=military
35.535059, 24.140862 
click for full size Wikipedia EN: https://en.wikipedia.org/wiki/Crete_Naval_Base
BSR entries: NATO Ordnance Area – NSA Souda Bay – NSA Souda Bay Marathi Pier Area – NSA Souda Bay NAMFI Compound
Additional Facility View: NAMFI radar station – NATO Missile Firing Installation (NAMFI)
Further sources: NATO Integrated Air & Missile Defence Centre of Excellence https://iamd-coe.org
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ROU | Mihail Kogălniceanu, Constanţa
https://www.openstreetbrowser.org/#map=15/44.3614/28.4744&categories=military
44.36, 28.47Wikipedia EN: https://en.wikipedia.org/wiki/RoAF_57th_Air_Base
also: https://en.wikipedia.org/wiki/Mihail_Kog%C4%83lniceanu_International_Airport
DE: https://de.wikipedia.org/wiki/Flughafen_Constan%C8%9BaBlack Site DE: https://de.wikipedia.org/wiki/Black_Site
In 2024, construction began on a project aimed at modernizing and expanding the base. Under the same project, it is planned to build a military city similar to Ramstein Air Base, where more than 10,000 NATO servicemen will live together with their families. (Wikipedia)
