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The coastline paradox states that a coastline does not have a well-defined length. Measurements of the length of a coastline behave like a fractal, being different at different scale intervals (distance between points on the coastline at which measurements are taken). The smaller the scale interval (meaning the more detailed the measurement ...
The Pacific coastline north of Tokyo, the coast of Hokkaidō, and the Sea of Japan coast are generally unindented, with few natural harbors. [27] A recent global remote sensing analysis suggested that there were 765 km 2 of tidal flats in Japan, making it the 35th-ranked country in terms of tidal flat extent. [36]
Okinawa is the fifth largest island of Japan. The island has an area of 1,206.99 square kilometers (466.02 sq mi). The coastline is 476 kilometers (296 mi) long. [36] The straight-line distance is about 106.6 kilometers (66.2 mi) from north to south. [37] Okinawa is in the northeastern end of Okinawa Prefecture.
The coastline paradox is the counterintuitive observation that the coastline of a landmass does not have a well-defined length. This results from the fractal curve -like properties of coastlines; i.e., the fact that a coastline typically has a fractal dimension .
The extreme points of Japan include the coordinates that are the farthest north, south, east and west in Japan, and the ones that are at the highest and the lowest elevations in the country. Japan's northernmost point is disputed , because Japan considers it to be on Iturup , an island de facto governed by Russia .
National Route 116 (国道116号, Kokudō Hyaku jūrokugō) is a national highway of Japan that traverses the prefecture of Niigata in a southwest–northeast routing. It connects the city of Kashiwazaki in south-central Niigata Prefecture to the prefecture's capital city, Niigata, to the north along the Sea of Japan coastline.
A nautical mile is a unit of length used in air, marine, and space navigation, and for the definition of territorial waters. [2] [3] [4] Historically, it was defined as the meridian arc length corresponding to one minute ( 1 / 60 of a degree) of latitude at the equator, so that Earth's polar circumference is very near to 21,600 nautical miles (that is 60 minutes × 360 degrees).
Japan has a population of over 123 million as of 2025, making it the eleventh-most populous country. The capital of Japan and its largest city is Tokyo; the Greater Tokyo Area is the largest metropolitan area in the world, with more than 37 million inhabitants as of 2024. Japan is divided into 47 administrative prefectures and eight traditional ...