Where was the Behind Enemy Lines film series filmed?

The Behind Enemy Lines film series has 4 titles (2001 to 2014), filmed at 1 place in 1 country. Wikipedia names 3 more. Every place links to its source.

The productions, in order

Every filming location they used

Each place appears once, even when several titles were filmed there.

Named in Wikipedia's own articles

Places named only in the titles’ Wikipedia articles.