Gran Colombia (Spanish pronunciation: [a kolombja] (listen), "Great Colombia"), or Greater Colombia, officially the Republic of Colombia (Spanish: Repblica de Colombia), was a state that encompassed much of northern South America and part of southern Central America from 1819 to 1831. It included present-day Colombia, mainland Ecuador (i.e. excluding the Galapagos Islands), Panama, and Venezuela, along with parts of northern Peru and northwestern Brazil. The terms Gran Colombia and Greater Colombia are used historiographically to distinguish it from the current Republic of Colombia, which is also the official name of the former state.

At the time of its creation, this Colombia was the most prestigious country in Spanish America. John Quincy Adams, then Secretary of State and future president of the United States, claimed it to be one of the most powerful nations on the planet. This prestige, added to the personal stature of Simn Bolvar, resulted in independence movements in Cuba, the Dominican Republic, and Puerto Rico desiring to form an associated state with the republic.But international recognition of the legitimacy of the Gran Colombian state ran afoul of European opposition to the independence of states in the Americas. Austria, France, and Russia only recognized independence in the Americas if the new states accepted monarchs from European dynasties. In addition, Colombia and the international powers disagreed over the extension of the Colombian territory and its boundaries.Gran Colombia was proclaimed through the Fundamental Law of the Republic of Colombia, issued during the Congress of Angostura (1819), but did not come into being until the Congress of Ccuta (1821) promulgated the Constitution of Ccuta.

Gran Colombia was constituted as a unitary centralist state. Its existence was marked by a struggle between those who supported a centralized government with a strong presidency and those who supported a decentralized, federal form of government. At the same time, another political division emerged between those who supported the Constitution of Ccuta and two groups who sought to do away with the Constitution, either in favor of breaking up the country into smaller republics or maintaining the union but creating an even stronger presidency. The faction that favored constitutional rule coalesced around Vice-President Francisco de Paula Santander, while those who supported the creation of a stronger presidency were led by President Simn Bolvar. The two of them had been allies in the war against Spanish rule, but by 1825, their differences had become public and were an important part of the political instability from that year onward.

Gran Colombia was dissolved in 1831 due to the political differences that existed between supporters of federalism and centralism, as well as regional tensions among the peoples that made up the republic. It broke into the successor states of Colombia, Ecuador, and Venezuela; Panama was separated from Colombia in 1903. Since Gran Colombia's territory corresponded more or less to the original jurisdiction of the former Viceroyalty of New Granada, it also claimed the Caribbean coast of Nicaragua, the Mosquito Coast, as well as most of Esequiba.

Ecuador ( (listen) EK-wə-dor; Spanish pronunciation: [ekwaˈðoɾ] (listen); Quechua: Ikwayur; Shuar: Ecuador or Ekuatur), officially the Republic of Ecuador (Spanish: República del Ecuador, which literally translates as "Republic of the Equator"; Quechua: Ikwadur Ripuwlika; Shuar: Ekuatur Nunka), is a country in northwestern South America, bordered by Colombia on the north, Peru on the east and south, and the Pacific Ocean on the west. Ecuador also includes the Galápagos Islands in the Pacific, about 1,000 kilometers (621 mi) west of the mainland. The capital is Quito.The territories of modern-day Ecuador were once home to a variety of Amerindian groups that were gradually incorporated into the Inca Empire during the 15th century. The territory was colonized by Spain during the 16th century, achieving independence in 1820 as part of Gran Colombia, from which it emerged as its own sovereign state in 1830. The legacy of both empires is reflected in Ecuador's ethnically diverse population, with most of its 17.1 million people being mestizos, followed by large minorities of European, Native American, and African descendants. Spanish is the official language and is spoken by a majority of the population, though 13 Native languages are also recognized, including Quechua and Shuar.

The sovereign state of Ecuador is a middle-income representative democratic republic and a developing country that is highly dependent on commodities, namely petroleum and agricultural products. It is governed as a democratic presidential republic. The country is a founding member of the United Nations, Organization of American States, Mercosur, PROSUR and the Non-Aligned Movement.

One of 17 megadiverse countries in the world, Ecuador hosts many endemic plants and animals, such as those of the Galápagos Islands. In recognition of its unique ecological heritage, the new constitution of 2008 is the first in the world to recognize legally enforceable Rights of Nature, or ecosystem rights.According to the Center for Economic and Policy Research, between 2006 and 2016, poverty decreased from 36.7% to 22.5% and annual per capita GDP growth was 1.5 percent (as compared to 0.6 percent over the prior two decades). At the same time, the country's Gini index of economic inequality decreased from 0.55 to 0.47.