Iturup is the largest and northernmost of the southern Kurils, ownership of which is disputed between Japan and Russia. It is located between Kunashiri 19 km (12 mi) to its southwest and Urup 37 km (23 mi) to its northeast. The Vries Strait between Iturup and Urup forms the Miyabe Line dividing the predominant plants of the Kurils.

The Etorofu-class escort ships (択捉型海防艦, Etorofu-gata kaibōkan) were a group of fourteen kaibōkan escort vessels built for the Imperial Japanese Navy during World War II. Eight of the fourteen ships were sunk during the war.

Etorofu was the lead ship of her class of fourteen ships built for the Imperial Japanese Navy during World War II. The Etorofu class was an improved version of the preceding Shimushu …

This became known as the Etorufu Route —a smuggling passage connecting Japan with Eastern Russia. Anything illegal in Japan owes its existence to this security gap. Most of the smuggling is controlled through Bertarve and estimates indicate the money that passes through this city measures in the millions.

Etorofu is an island in the Kuril Archipelago separating the Sea of Okhotsk from the North Pacific Ocean. Etorofu is the largest and northernmost of the southern Kurils. It is located between Kunashiri 19 km (12 mi) to its southwest and Urup 37 km (23 mi) to its northeast.

Project history: Improved version of Shimushu built under 5th Supplementary program me of 1941. Main differences from previous design became strengthened anti-submarine armament and changed stem form. Modernizations: late 1943, Etorofu, Oki, Sado, Matsuwa, Fukue, Tsushima, Iki: - sweeps; + 1 x 1 - 81/12 ASW mortar, DC stowage was increased to 60.

Etorofu was the lead ship of her class of fourteen ships built for the Imperial Japanese Navy during World War II.

At 2030, ETOROFU discovers a surfaced submarine 5,000 yards ahead and opens fire with her forward gun forcing the submarine to submerge. ETOROFU drops depth charges for no visible results. For the next two days, ETOROFU continues to hunt in the area without success while the convoy steams ahead unescorted. [1] . E 14 August 1943:

択捉島（えとろふとう、ロシア語：Итуруп（Iturup、イトゥルップ島））は、 東部沖、北方領土の最東部にある島（火山島）です。 日本が太平洋戦争で敗戦となった時に、ソ連が北方領土を占拠し、現在に至るまで不法占拠が継続しており、ロシアの実効支配下にあります。 日本・ロシアは平和条約を締結しておらず、日本側は北方領土は日本固有の領土と主張し、日本へに返還を求めています。 日本の行政的には、北海道・根室振興局の管轄となっています。 択捉島の中 …

Disputed islands in question: Habomai Islands, Shikotan, Kunashiri (Kunashir) and Etorofu (Iturup) The Kuril Islands dispute, known as the Northern Territories dispute in Japan, is a territorial dispute between Japan and Russia over the …