Koren was released by West Brom on Monday, allowing the Slovenian to leave on a free transfer.
Newcastle, Wolves and Fulham are among the clubs interested in the midfielder.
“In my opinion we will get at least 10 offers for Robert,” Zoran Krneta told Nogomania.
“There are a lot of interested clubs and I can reveal, that in the first two hours after the news was published on West Bromwich Albion’s website, I got calls from four clubs.
“We will talk about his future today, but I repeat, we won’t have any problems with finding him a new club and also a good club.
“I’m sure about it as he is a really good and respected footballer.
“He is the one who will choose his club, but I guess he will look for a good contract and also team, where he will be able to play every week.”
“He is in his best years and he would like to stay in England, where everybody knows him and where he made his name,” concluded Krneta.
