Where was Produce 101 Japan filmed?

Name: Produce 101 Japan
Released: 2019

2019 Japanese reality competition show

Produce 101 Japan (2019) was filmed in Paju and Makuhari Messe, 2 places named in its Wikipedia article, in South Korea, Japan. Wikidata itself records the shoot only as Japan, South Korea. Each place says where its claim comes from.

See them on the map → Wikipedia Source data

Places per Wikipedia's article

The Wikipedia article names 2 places. Each links to the sentence that says so.

Towns & cities Paju South Korea City in Gyeonggi-do, South Korea
Landmarks & buildings Makuhari Messe Japan Japanese convention center in Mihama-ku, Chiba city

Recorded only at country level

Also filmed in Japan, South Korea, but the exact places are not known, so they are not on the map.

Filming locations that are mapped there: Japan · South Korea