(2002), Vienna, Austria (2003), Warsaw, Poland (2003), Washington D.C., New York and Chicago, USA (2003-2004), Japan, Tokyo (2005), etc. Pope John Paul II, H. R .M. Albert II, King of Belgium, the Russian President Vladimir Putin, and Senator Hillary Clinton are among those who have been presented with the artist's paintings. Mitkov’s major subjects are oil canvas, cityscapes, seascapes, landscapes, flowers, gardens, villages, churches, bridges and abstract art.