The European country with many, many, little islands is Greece. The mainland is on the southern Balkan Peninsula and has its own large peninsula (the Peloponnesus) across the Isthmus of Corinth. There are several fairly large islands, mostly in the Aegean Sea, with the largest and southernmost being Crete.
The countries of Denmark and Italy both also have peninsulas and nearby islands.
Kiribati is a country in the Pacific Ocean that consists of 33 islands. It is straddled near the equator and is made up of three island groups: the Gilbert Islands, Phoenix Islands, and Line Islands.
They are located on the Alaska Peninsula and the Aleutian Islands.
Japan is an archipelago, meaning it is a group of islands located in the Pacific Ocean. The country consists of four main islands: Honshu, Hokkaido, Kyushu, and Shikoku. Additionally, Japan is known for its mountainous terrain, including numerous active volcanoes.
The island group northeast of Australia with a capital of Honiara is the Solomon Islands. The country consists of a group of islands in the South Pacific Ocean.
Chile has over 2,000 islands, with the largest being ChiloΓ© Island. In terms of peninsulas, notable ones in Chile include the Taitao Peninsula and the Brunswick Peninsula.
The country consists of a large peninsula, Jutland (Jylland) and many islands, most notably Zealand (Sjælland), Funen (Fyn), Vendsyssel-Thy, Lolland, Falster and Bornholm, as well as hundreds of minor islands often referred to as the Danish Archipelago. (Wikipedia)For the source and more detailed information concerning your request, click on the related links section (Wikipedia) indicated directly below this answer section.
Madagascar
Indonesia. Indonesia consists of over 3000 islands.
One example of a country that is both an island and has part of its territory on the mainland is Denmark. It consists of the Jutland peninsula as part of its mainland territory and numerous islands, including Zealand and Funen.
The main landform of Denmark consists of the 443 named islands. Denmark also consists of a peninsula, which is named Jutland.
Republic of Indonesia. It consists of 17,508 islands.
Croatia is the country made up of a narrow peninsula and 406 islands, located in Southeast Europe along the Adriatic Sea.
Indonesia consists of over 13,000 islands, making it the country with the most islands in the world.
Indonesia consists of over 13,000 islands, making it the largest archipelago in the world.
The Orkney Islands are part of Scotland.
Spain.
Greece