What are the best countries to travel to Europe in summer vacation?

Many countries in Europe are worth visiting, such as Greece, Italy, Germany, Spain, Britain, Czech Republic, France and so on!

Europe covers an area of 1.0 1.6 million square kilometers, covering 45 countries and regions. It faces the Atlantic Ocean in the west, the Arctic Ocean in the north, the African continent across the Mediterranean Sea and the Strait of Gibraltar in the south, and the Asian continent in the east. The terrain is mainly plain, mostly with temperate maritime climate, with a population of about 728 million, accounting for 12.5% of the world's total population. It is the continent with the highest population density. Europe is the abbreviation of Europa, and the word "Europa" is said to have originally come from the Phoenician word "Ilib", which means "the place where the sun sets" or "the land of the west". The average height of Europe is 330 meters, and the terrain is mainly plain. A series of mountains stand in the south, collectively known as the Alps, of which Mont Blanc is 4807 meters above sea level, belonging to France and becoming the highest peak in Western Europe. Europe has a dense river network and abundant water. The longest river is the Volga River, which is 3690 kilometers long, and the second river is the Danube River, which is 2850 kilometers long, making it the largest river flowing through the country in the world. The coastline of Europe is very tortuous, with many peninsulas, islands, bays and inland seas. Scandinavia in northern Europe is the largest peninsula in Europe. Europe is the only continent with a permanent population without tropical climate, and the area occupied by cold climate is not large, so the climate is mild and the precipitation distribution is relatively uniform. Europa style, enchanting and colorful. Europe is full of people and scenery. French flowers revel in the night scene, German castles and black forests like fairyland, the beautiful blue coast of the Mediterranean, the magnificent Italian Colosseum and the songs on the Venetian gondola, the colorful world of Dutch ports and the amazing world cultural heritage buildings in Barcelona, Spain; Sunshine, beach, lovers' Aegean Sea in Greece, the blue Danube River in Austria, the beautiful snow in the Swiss Alps, and the British style of combining classical and modern are all highlights of the trip to Europe.