Where was the Leprechaun film series filmed?

The Leprechaun film series has 3 titles (1993 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.