The Hitman's Bodyguard filmed at Bulgarian National Bank, Sofia. This Sofia bank building stands in for the exterior of the court, with City Garden Park in front. On screen it's International Court of Justice, The Hague.
Probable Named in published production coverage; the coordinate is the place itself, checked against a gazetteer.
Planning the trip? everything filmed in Sofia is on one page
Venture keeps every scene location on one map, sorted by how far you'd have to walk. Open it in Sofia and it tells you what was shot around you, how to get there, and whether you can actually go in.
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