Wrong weird shape for Barra Do Brugres municipality

[jaum20]

The following code plots the Mato Grosso state and highlits the municipality of Barra Do Bugres.

library(geobr)
library(ggplot2)

mt_muni = read_municipality(code_muni = "MT", year= 2022, showProgress = FALSE)

ggplot()+
  geom_sf(data=mt_muni,fill='cornsilk', colour='black') +
  geom_sf(data=mt_muni[mt_muni$name_muni=='Barra Do Bugres',], fill='red', colour=NA)+
  theme_void()

But the shape looks wrong, with disconected polygons:

The municipality boundaries according to wikipedia are different:

Is this a bug ?

[jaum20]

ggplot()+
  geom_sf(data=mt_muni[mt_muni$name_muni=='Barra Do Bugres',], fill='red', colour='black)+
  theme_void()

[rafapereirabr]

Thaks for the heads up! This seems to be an error with IBGE's original data set. Here, have a look at the 2022 shape file. The map of Barra do Bugres also looks like this in the original data for other years as well.

Google maps also uses the same shape (see here). Perhaps the odd shape is the one present on wikipedia?

[jaum20]

Looks like the IBGE map is right. Found this thread at reddit about the municipality. https://www.reddit.com/r/brasilivre/comments/k5uyvu/o_inusitado_mapa_de_barra_do_bugres_mt_uma_cidade/

Thanks for your time. Closing this