The Kingdom of Saudi Arabia is a desert country, a Muslim state, occupying most of the Arabian Peninsula. It borders with Iraq, Jordan, Kuwait, Oman, Qatar, the United Arab Emirates and Yemen. The capital is Riyadh. In Saudi Arabia, all the religious and moral norms should be strictly observed, because severe penalties can be imposed. The official language is Arabic.

Australia is located between the Indian and Pacific Oceans, south of Asia and north of Antarctica. It occupies the whole continent, the island of Tasmania and other minor islands located in the surrounding waters. The capital of Australia is Canberra, and the largest city is Sydney. With an area of approximately 7.6 million km2, Australia is the sixth largest country in the world. Due to the long term geographical isolation, it has its unique flora and fauna. Although most of Australia is semi-arid and dry, the continent includes a diverse range of habitats from alpine heaths to tropical rainforests. It is a country with a multicultural society and a very high rate of social development. The official language is English.

Republic of Azerbaijan is located in southwestern Asia. It is limited by the Caspian Sea in the east, Russia in the north, Georgia in the northwest, Armenia in the west and Iran in the south. Due to the diverse terrain, mountains and the vicinity of the sea, it has a very diverse climate and extremely rich flora and fauna. Azerbaijan is economically and socially developed and its development level can be compared to the one of Eastern European countries. The official language is Azerbaijani.

The Arab Republic of Egypt is a desert country in north-eastern Africa with the Sinai Peninsula in western Asia. It is bordered to the northeast by Israel and Palestine (Gaza Strip) and to the south by Sudan and Libya to the west. The capital is located in Cairo. It is worth observing and respecting local customs and religious norms. The official language is Arabic.

The Republic of India is a vast country in Southeast Asia, occupying most of the Indian subcontinent, bounded by the Himalayas and Karakorum in the north, the Arabian Sea in the west, the Bay of Bengal in the east and the Laccadive Sea in the south. India is the seventh largest country in the world. The official language is Hindi, and in addition there are 21 languages in use that are also recognized as official languages in each state.

The Kingdom of Cambodia is located in the southeast of the Indochina Peninsula in Southeast Asia, bordering Vietnam, Laos, Thailand and the Gulf of Thailand. In Cambodia, there is a monsoon tropical climate with a clear division into two main seasons: dry and rainy. In the northern province of Siem Reap, there is the Angkor Complex, which is one of the most important archaeological sites in Southeast Asia and is the most important tourist attraction of Cambodia. The official language is Khmer.

Republic of Cuba - Cuba is the largest of the Caribbean islands located in the Greater Antilles archipelago located in North America. The capital of this island state is Havana. The official language is Spanish.

The United States of America is a country consisting of 50 states located in the central part of North America continent. The Continental United States borders the Atlantic Ocean in the east and the Pacific Ocean in the west. They have land borders with Canada in the north and Mexico in the south. The USA have sea borders with the Bahamas, Cuba and Russia. The United States, with its large size and geographic variety, includes most climate types. The United States is the third largest country in the world.

The Socialist Republic of Vietnam is located in Southeast Asia, on the Indochina Peninsula and borders the People's Republic of China, Laos and Cambodia. It is a very diverse country in terms of climate and weather. It is the second country in the world, after Brazil, in terms of coffee production. It is also famous for rice, tea and tobacco. The spoken language is Vietnamese.