Ordos, a prefecture-level city and a Mongol population in the Inner Mongolia Autonomous Region.

Bilbao, a city in Spain

Ezhou, a prefecture-level city in Hubei Province

Ordos, a prefecture-level city in the Inner Mongolia Autonomous Region.

Ezhou, a prefecture-level city in [[湖北省|湖北省|hu2 bei3 sheng3]] province

Oroqen or Orochon ethnic group of northern China

The Oroqen (Olunchun) ethnic minority of Northeast China, traditionally living in the Greater and Lesser Khingan ranges of Inner Mongolia and Heilongjiang.

Otog Banner in the Ordos region of Inner Mongolia; also known as Otgiin Khoshuu

The Ewenki (also known as Owenk) ethnic minority, primarily residing in Inner Mongolia and Heilongjiang

The marginal sea of the western Pacific Ocean located between the Kamchatka Peninsula, the Kuril Islands, Sakhalin, and the Siberian coast.

The Ordos Plateau, a dry desert region in the southern part of Inner Mongolia surrounded by a large bend in the Yellow River.

Oertai (1677–1745), a prominent Manchu military leader and statesman during the Qing Dynasty who served under the Yongzheng and Qianlong emperors.

Echeng district of Ezhou city in Hubei province

Oroqin Autonomous Banner in [[呼伦贝尔|呼倫貝爾|hu1 lun2 bei4 er3]], Inner Mongolia

Otog Front Banner, also known as Otgiin Ömnöd khoshuu, located in [[鄂尔多斯|鄂爾多斯|e4 er3 duo1 si1]], Inner Mongolia

Echeng District of Ezhou City in Hubei Province

Hu Egong (1884-1951), a Chinese revolutionary and politician

Ordos Desert, a region in Inner Mongolia

(literary variant) brotherly affection or brotherhood

(literary) the love and friendship between brothers; fraternity

abbreviated name for the Oroqen ethnic group of northeast China and inner Mongolia

(Mongolian loanword) a road or boundary marker made of piled stones or earth in Mongolia and nearby regions, traditionally worshipped as a dwelling place for spirits

Bronze transport tallies issued by King Huai of Chu to Lord Qi of E during the Warring States period. Discovered in Anhui between 1957 and 1960, these five gilded bronze pieces served as official transit passes for river and land travel and are vital artifacts for studying ancient commerce and transport systems.

Ottoman Empire; specifically the Taiwan usage of the name

Otog banner or Otgiin khoshuu in [[鄂尔多斯|鄂爾多斯|e4 er3 duo1 si1]], Inner Mongolia

Evenk Autonomous Banner in Hulunbuir, Inner Mongolia

The Evenki language, spoken by the Ewenki ethnic group of Inner Mongolia

to speak one's mind or argue directly and bluntly