Anti-Muslim rhetoric has spiked across Myanmar recently, with two mosques torched by Buddhist mobs in just over a week in a country where sectarian violence has left scores dead since 2012.
Home to around one million stateless Rohingya Muslims, Rakhine State has been hardest hit by religious violence that has left tens of thousands of the persecuted minority in fetid displacement camps.
The Rohingya are reviled by Rakhine Buddhists who refuse to recognise any shared rights to the province and instead call them "Bengalis" -- or illegal immigrants from nearby Bangladesh.
But protesters today said that too was unacceptable as it hands Muslims recognition in a Buddhist state.
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"We reject the term 'Muslim communities in Rakhine State'," Kyawt Sein, protest organiser in Sittwe, told AFP, adding more than 1,000 people, including monks, had joined the rally in the state capital.
Rally-goers there shouted slogans including 'Protect Rakhine State,' while a protest in the town of Thandwe drew similar numbers.
"Bengalis should be called Bengalis," Phoe Thar Lay,a leader of a local Rakhine youth group told AFP, adding that 17 townships across Rakhine were participating in protests on today afternoon.
Persecution and poverty have forced tens of thousands to flee by sea, but the dangerous trafficking route south through the Bay of Bengal was closed late last year during a Thai crackdown on people smuggling.
Suu Kyi, a veteran democracy activist who championed her country's struggle against repressive military rulers, has drawn criticism from rights groups for not taking up the cause of the Rohingya.
Instead she has carefully sought to sidestep controversy, urging the international community to give the country "space" to unpick its sectarian problems.