It's about as big as Disney World
It's about nine-tenths as big as Hilton Head
In other words, 10,100 hectares is 0.927780 times the size of Hilton Head, and the size of Hilton Head is 1.07784 times that amount.(a.k.a. Hilton Head Island) (South Carolina)
Hilton Head Island measures 10,886 hectares in total land area. The island (and city of the same name) is located in the Atlantic Ocean and is known as popular vacation destination.
It's about one-and-seven-tenths times as big as San Marino
In other words, the size of San Marino is 0.590 times 10,100 hectares.(a.k.a. The Most Serene Republic of San Marino, a.k.a. Serenissima Repubblica di San Marino)
an Marino is an enclave country located within the Apennine Mountains in Italy, with a total area of 6,100 hectares. Established in 301 CE, San Marino is the oldest sovereign state in the world.
It's about three-fifths as big as Washington, D.C.
In other words, 10,100 hectares is 0.5710 times the size of Washington, D.C., and the size of Washington, D.C. is 1.750 times that amount.(formally the District of Columbia, a.k.a. Washington, a.k.a. the District, a.k.a. DC) (United State)
The United States' capital and only federal district, Washington, D.C. is a 17,700 hectares area located between the states of Virginia and Maryland. Washington, D.C. is known as the center of each of the three branches of the United States federal government and as home to many of the nation's monuments, museums, and foreign embassies.
It's about two times as big as The Pitcairn Islands
In other words, 10,100 hectares is 2.10 times the size of The Pitcairn Islands, and the size of The Pitcairn Islands is 0.480 times that amount.(a.k.a. Pitcairn, Henderson, Ducie and Oeno Islands, a.k.a. Pitkern Ailen) (British overseas territory) (total land area)
The Pitcairn Islands are a group of four islands which have a combined area of 4,700 hectares. A British overseas territory since 1838, the island is populated by the descendents of mutineers and others who traveled on the British Royal Naval Ship, HMS Bounty during her 1789-1790 voyage.
It's about two-and-a-half times as big as Rock Island
In other words, 10,100 hectares is 2.5750 times the size of Rock Island, and the size of Rock Island is 0.388350 times that amount.(a.k.a. Arsenal Island, a.k.a. Rock Island Arsenal) (Illinois, on the Iowa border) (land area only)
Rock Island measures 3,922 hectares in total area. It is known as the largest government-owned weapons manufacturing arsenal in the United States and the US Army's only active foundry, as well as a former Union prison camp during the American Civil War.
It's about two-fifths as big as Edinburgh
In other words, 10,100 hectares is 0.3830 times the size of Edinburgh, and the size of Edinburgh is 2.610 times that amount.(a.k.a. Edinburgh, a.k.a. Dùn Èideann, a.k.a. Edinburgum) (Scotland, United Kingdom)
Edinburgh, Scotland's capital, measures 26,400 hectares. Edinburgh Castle, atop Castle Rock, is the centerpiece of the city and has been continuously-occupied for over 1,800 years.