Which European country has a flag consisting of three vertical stripes in blue, white, and red?

Which country has a flag featuring a white cross on a red background, the inverse of the Red Cross symbol?

The flag of which Scandinavian country features a red background with a white Nordic cross, offset to the left?

Which country has a flag with three vertical stripes of green, white, and red?

The flag of Ukraine consists of two horizontal stripes. Which two colors are they?

Which country has a flag featuring three horizontal stripes of black, red, and gold?

The flag of which country features a red cross on a white background and is one of the oldest national flags still in use?

Which European country has a flag consisting of just two horizontal stripes, white on top and red on the bottom?

The flag of which Balkan country famously features a double-headed eagle on a red background?

Which country has a flag with three vertical stripes of black, yellow, and red?