HITC Sport understands English and Spanish sides are tracking Croatian striker.
Cop is currently on loan at Malaga until the end of the season from Italian club Cagliari.
The 26-year-old initially joined Cagliari last January and he scored four goals in ten games for the Sardinian outfit, but could prevent them from suffering relegation to Serie B.
Cop subsequently joined Malaga on loan last summer and the player has netted four goals and two assists in 27 games for the club.
The powerful forward came to the fore at Dinamo Zagreb scoring 43 goals in 67 appearances with his form attracting interest from clubs all across Europe.
Several Premier League sides have been long-term admirers of Cop and are ready to move for the hit-man this summer, but they will competition from a number of La Liga sides who have been impressed by Cop during his spell at Malaga.
Cop is expected to feature strongly in Croatia's European Championship campaign this summer and his suitors are expected to keep tabs on his progress throughout the tournament.