The producer doesn’t elaborate what he means by “overseas’ in his comments to Variety, so the options are quite extensive.
Maybe someplace on the Mediterranean or Australia?
Really, anyplace that has beaches is fair game, and if they’ll actually be shooting on location, then no wonder the entire cast is willing to return for a sequel.
The end of the Baywatch movie brings in a character that is said to be working in the company’s Hawaii division, but Hawaii isn’t usually referred to as being “overseas” even though it technically is.