Just ignore 4 flags near the table. They are replaced with Korea national flag in this mod.
This mod replaces some textures of town with a national flag.
If you want to make your own flag, use this tool.
You can convert tex to dds / dds to tex with the tool.
List
France Spain Finland Germany Brazil
Scotland China Japan Thailand UK
Canada India US Korea Malaysia
SingaporePhilippine IndonesiaNorway Bulgaria
Taiwan Latvia Sweden Chile Netherlands
Belgium Italy New Zealand Iran Vietnam
Update
2018/09/04 Italy, New Zealand, Iran, Vietnam
2018/09/03 Added Sweden, Chile, Netherlands, Belgium
2018/09/02 Added Taiwan, Latvia
Fixed misaligned textures
2018/09/01 Added Singapore, Philippine, Indonesia, Norway, Bulgaria
2018/08/30 Added France, Spain, Finland, Malaysia
Fixed misaligned Brazil texture
2018/08/29 Added Germany, Brazil, Scotland
2018/08/28Added China, Japan, Thailand
Fixed textures of some flag stands
2018/08/27Added UK, India, Canada
2018/08/26Added US, South Korea
Installation
Unzip nativePC folder into your Monster Hunter World folder