The 10 smallest LGAs in Rivers State by land area are:

Ogu–Bolo
Port Harcourt
Asari-Toru
Gokana
Opobo–Nkoro
Eleme
Tai
Omuma
Okrika
Andoni

Full list of LGAs in Rivers State by land area. From smallest to largest

LGA name	Area (Km2)
Ogu–Bolo	89
Port Harcourt	109
Asari-Toru	113
Gokana	126
Opobo–Nkoro	130
Eleme	138
Tai	159
Omuma	170
Okrika	222
Andoni	233
Oyigbo	248
Obio-Akpor	260
Ahoada East	341
Ahoada West	403
Khana	560
Bonny	642
Ikwerre	655
Abua–Odual	704
Etche	805
Emohua	831
Ogba–Egbema–Ndoni	969
Degema	1,011
Akuku-Toru	1,443

Rivers is the fifth most populous State in Nigeria with over 3 million residents.

Also, Rivers is the sixth-largest geographic area in Nigeria.

The state has an indigenously diverse population with major riverine and upland divisions with beautiful cultural heritage.

The major ethnic groups are: Ogoni, Ijaw and Ikwerre.

The riverine, including most of the state’s towns and villages surrounded by water is moderately inhabited.

Engagement in arts often serves to strengthen social bonds in subtle but important ways, and to forge connections that may not have existed before.

Rivers arts and culture are a vital tool in promoting a stronger social fabric and enhancing the social health of our state.

ECONOMY

It is the second largest economy in the country, next only to Lagos State. Port Harcourt, the State’s capital, is one of the largest cities in the country and contributes significantly to the nation’s financial, manufacturing, transport and telecommunications sectors, among others. In 2007, the State’s gross domestic product (GDP) was $21.07 billion and a per capita income of$3.965.

Rivers generates about a third of Nigeria’s gross domestic product, gross domestic and national income and foreign exchange. Most of the multinational oil and gas companies in Nigeria and abroad are based either in Rivers State or have offices and branches in the state. These companies include, Shell Petroleum Development Company, Chevron Nigeria Limited, Total-Elf-Fina, Nigeria

Agip Oil Company, Saipem Nigeria Limited, Dawoo Nigeria Limited, Nigeria Liquified Natural Gas Limited. The State also has two petroleum refineries; two seaports, two airports, the Trans Amadi Industrial Estate and the Onne Oil and Gas Free Zone.

NATURAL RESOURCES

Rivers is famous for its vast reserve of crude oil and natural gas. More than 40% of Nigeria’s output of crude oil and gas resources is produced in the state. Apart from crude oil, the State is also rich in silica sand, glass and clay and other solid minerals, most of which is untapped.

MANUFACTURING

Manufacturing activities are presently very limited in Rivers State. The State depends largely on goods and commodities imported from abroad or produced from other cities such as Aba, Onitsha and Lagos.

Nevertheless the Trans Amadi Industrial Estate in Port Harcourt host some manufacturing companies.

There are also some considerable manufacturing activities taking place in the Eleme/Onne industrial hub where Indorama Eleme Petrochemicals Limited, the Nigerian Petroleum Refinery Company and the Notore Chemical Industries, among others is located.