“There is no lack of money, there is a lack of will,” the protesters chanted in Madrid as they made their way from the equality ministry to parliament.
About 500 people, mainly women, also took to the streets of Barcelona, Spain’s second largest city.
The protesters demanded the government’s budget for 2018 include an annual increase of €200 million ($238 million) in spending on efforts to end domestic violence that was pledged in a state pact against gender violence agreed to in December.
While the protests were backed by Spain’s main unions, they were far smaller than recent demonstrations against the controversial acquittal of five men accused of gang-raping an 18-year-old woman at Pamplona’s bull running festival.
The men were sentenced instead to the lesser charge of sexual abuse.
Health Minister Dolors Montserrat in December called the pact against gender violence a “historic agreement” which includes more than 200 measures “to end this scourge”.
At the time she promised one billion euros in extra funding over the next five years to the cause.
A protester holds a poster with a photograph of Spanish Minister of Health, Social Services and Equality Dolors Montserrat during a demonstration in Madrid.
“This government is unpresentable, it has the habit of promising and then not fulfilling,” said Maria Sanchez, a 68-year-old pensioner in Madrid.
She told AFP that she came to the march on behalf of her two daughters and two granddaughters.
Jimena Manteca, a 22-year political science student, said women had “woken up and we are not going to be silent”.
A total of 583 women were killed in Spain by their partner or former partner between 2008 and 2017.
Domestic violence is a high profile issue in Spain and each death gets intense media attention, with parties across the political spectrum having vowed to stamp out the problem.