Of Italian origin.

From the English word “sienna” meaning “orange-red”.

The word is used to define the color deriving from clay earth pigment “sienna”, which has an orange-red look because it contains iron and manganese oxide.

It’s origin is Italian, from “terra di Siena”, meaning ” Siena earth”.

This earth pigment was produced In Siena, the Italian city and state, during the Renaissance period.

Siena is often spelled Sienna in English.

It is a beautiful city in Tuscany, Italy, which is the capital of the province of Siena.

The historic center of Siena is a World Heritage Site of Unesco, famous for the medieval cityscape, the arts and the cuisine.

Alternative form of the name is Siena.

Sienna is a popular name in Australia and is rising in popularity in England and New Zealand.

Famous bearer is Sienna Miller.

Sienna Miller is a British-American actress and fashion designer.

She made her films debut in 2001, in Carlo Vanzina’s movie “South Kensington”.

She has several award nominations – BAFTA, Golden Globe – and starred in films such as “Alfie”, “Factory Girl”, “Interview”, “The Edge of Love”, “Foxcatcher”, “American Sniper”, etc.